Home / 109,920.46-151,693.53-62,172.85

Finding the Fourth Proportional to 109,920.46, 151,693.53 and 62,172.85

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Solution

The fourth proportional to 109,920.46, 151,693.53 and 62,172.85 is: 85,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.46 : 151,693.53 = 62,172.85 : x
  2. Step 2: Convert to fraction form
    109,920.46/151,693.53 = 62,172.85/x
  3. Step 3: Cross multiply
    109,920.46x = 151,693.53 × 62,172.85
  4. Step 4: Simplify right side
    109,920.46x = 9,431,219,086.66
  5. Step 5: Solve for x
    x = 9,431,219,086.66/109,920.46
  6. Step 6: Final answer
    x = 85,800.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.